#endoskeleton  the internal skeleton; bony and cartilaginous structure (especially of vertebrates)
  supertype:  #skeletal_system__skeleton__frame__systema_skeletale__systemaskeletale  the hard structure (bones and cartilages) that provides a frame for the body of an animal
  part:  #bone__os  rigid connective tissue that makes up the skeleton of vertebrates
     part:  #socket.bodily_cavity  a bony hollow into which a structure fits
     part:  #bone_marrow__marrow  the fatty network of connective tissue that fills the cavities of bones
     part:  #lamella.tissue_layer  a thin membrane that is one of the calcified layers that form bones
     part:  #bone_cell  a cell that is part of a bone
     part:  #condyle  a round bump on a bone where it forms a joint with another bone
     part:  #coronoid_process__processus_coronoideus__processuscoronoideu  a sharp triangular process projecting from a bone
     part:  #intercellular_substance__intercellularsubstance__matrix__ground_substance  the body substance in which tissue cells are embedded
  part:  #clavicle__collarbone  bone linking the scapula and sternum
     part:  #subclavian_artery__arteria_subclavia__arteriasubclavia  either of two arteries that supply blood to the neck and arms
  part:  #scapula__shoulder_blade__shoulder_bone  either of two flat triangular bones one on each side of the shoulder in human beings
     part:  #glenoid_cavity__glenoidcavity__glenoid_fossa__glenoidfossa  the concavity in the head of the scapula that receives the head of the humerus to form the shoulder joint
     part:  #acromion  the outermost point of the spine of the shoulder blade
  part:  #appendicular_skeleton  the part of the skeleton that includes the pectoral girdle and the pelvic girdle and the upper and lower limbs
     part:  #limb  one of the jointed appendages of an animal used for locomotion or grasping: arm; leg; wing; flipper
        part:  #extremity.external_body_part  that part of a limb that is farthest from the torso
     part:  #pectoral_girdle  a skeletal support to which the forelimbs of vertebrates are attached
        part:  #shoulder_girdle__pectoral_arch  the bony arch formed by the collarbones and shoulder blades in humans
     part:  #pelvis__pelvic_girdle__pelvic_arch__hip  the structure of the vertebrate skeleton supporting the lower limbs in humans and the hind limbs or corresponding parts in other vertebrates
        part:  #coccyx__tail_bone  the end of the vertebral column in humans and tailless apes
           part:  #coccygeal_vertebra__coccygealvertebra__caudal_vertebra  one of 4 vertebrae in the human coccyx
        part:  #hipbone__innominate_bone__innominatebone  large flaring bone forming one half of the pelvis; made up of the ilium and ischium and pubis
           part:  #acetabulum__cotyloid_cavity  the cup-shaped hollow in the hipbone into which the head of the femur fits to form a ball-and-socket joint
        part:  #ilium  the upper and widest of the three bones making up the hipbone
           part:  #iliac_artery__iliacartery__arteria_iliaca__arteriailiaca  one of the large arteries supplying blood to the pelvis and legs
        part:  #os_pubis__pubis__pubi__pubic_bone__pubicbone  one of the three sections of the hipbone; together the two pubic bones form the front of the pelvis
        part:  #sacrum  wedge-shaped bone consisting of five fused vertebrae forming the posterior part of the pelvis; its base connects with the lowest lumbar vertebra and its tip with the coccyx
           part:  #sacral_vertebra  one of 5 vertebrae in the human spine that fuse in the adult to form the sacrum
        part:  #hip_joint__hipjoint__hip__coxa__articulatio_coxae__articulatiocoxae  the ball-and-socket joint between the head of the femur and the acetabulum
           part:  #ischium__ischial_bone__ischialbone__os_ischii  one of the three sections of the hipbone; situated below the ilium
  part:  #axial_skeleton__axialskeleton  the part of the skeleton that includes the skull and spinal column and sternum and ribs
     part:  #sternum  the flat bone that articulates with the clavicles and the first seven pairs of ribs
        part:  #corpus_sternum__gladiolus__gladiolu  the large central part of the breastbone
        part:  #manubrium  the upper part of the breastbone
        part:  #xiphoid_process__xiphoidproces  smallest of the three parts of the breastbone; articulates with the corpus sternum and the seventh rib
     part:  #skull  the bony skeleton of the head of vertebrates
        part:  #craniometric_point  a landmark on the skull from which craniometric measurements can be taken
        part:  #cheekbone__zygomatic_bone__zygomaticbone__mala__malar_bone__malarbone__jugal_bone__jugalbone__os_zygomaticum  the arch of bone beneath the eye that forms the prominence of the cheek
           part:  #jugale__jugal_point__jugalpoint  the craniometric point at the union of the frontal and temporal processes of the zygomatic bone
           part:  #zygoma__zygomatic_arch__zygomaticarch__arcus_zygomaticus__arcuszygomaticu  the slender arch formed by the temporal process of the cheekbone that bridges to the zygomatic process of the temporal bone
           part:  #zygomatic_process__zygomaticproces  a slender process of the temporal bone that strengthens the zygomatic arch
        part:  #sphenoid_bone__sphenoid__os_sphenoidale  butterfly-shaped bone at the base of the skull
           part:  #crotaphion  the tip of the greater wing of the sphenoid bone
           part:  #pterygoid_process__pterygoidproces  two bony processes descending from the body of the sphenoid bone
        part:  #eye_socket__eyesocket__orbit__cranial_orbit__cranialorbit__orbital_cavity__orbitalcavity  the bony cavity in the skull containing the eyeball
           part:  #lacrimal_bone  small fragile bone making up part of the front inner walls of each eye socket and providing room for the passage of the lacrimal ducts
        part:  #endocranium  membrane lining the inside of the skull
        part:  #cranium__braincase__brainpan  the part of the skull that encloses the brain
           part:  #asterion  the craniometric point at the junction of the lamboid suture and the occipitomastoid suture and the parietomastoid suture
           part:  #stephanion  the craniometric point on the coronal suture above the acoustic meatus
           part:  #ethmoid_bone__ethmoidbone__ethmoid  one of the eight bones of the cranium; a small bone filled with air spaces that forms part of the eye sockets and the nasal cavity
           part:  #temporal_bone__os_temporale  a thick bone forming the side of the human cranium and encasing the inner ear
              part:  #glenoid_fossa__glenoidfossa__mandibular_fossa  a deep concavity in the temporal bone at the root of the zygomatic arch that receives the condyle of the mandible
              part:  #tympanic_bone  the bone enclosing the middle ear
              part:  #mastoid_process__mastoidproces__mastoid__mastoidal  process of the temporal bone behind the ear at the base of the skull
                 part:  #mastoidale  the craniometric point at the lowest point of the mastoid process
              part:  #styloid_process  extends from the base of the temporal bone
           part:  #calvaria__skullcap  the dome of the skull
           part:  #frontal_bone__frontalbone__os_frontale__forehead  the large cranial bone forming the front part of the cranium: the forehead and the upper part of the orbits
              part:  #glabella__mesophyron  a smooth prominence of the frontal bone between and above the eyebrows; the most forward projecting point of the forehead in the midline at the level of the supraorbital ridges
              part:  #metopion  the craniometric point midway between the frontal eminences of the skull
              part:  #ophryon  the craniometric point in the midline of the forehead immediately above the orbits
              part:  #frontal_eminence__frontaleminence  either prominence of the frontal bone above each orbit
           part:  #parietal_bone  either of two skull bones between the frontal and occipital bones and forming the top and sides of the cranium
              part:  #entomion  the craniometric point at the tip of the mastoid angle of the parietal bone
              part:  #sphenion  the anterior tip of the parietal bone
           part:  #occipital_bone__occipitalbone  a saucer-shaped membrane bone that forms the back of the skull
              part:  #inion  the craniometric point that is the most prominent point at the back of the head (at the occipital protuberance)
              part:  #occipital_protuberance__occipitalprotuberance  prominence on the outer surface of the occipital bone
           part:  #coronal_suture__coronalsuture__sutura_coronalis  the suture between the parietal and frontal bones of the skull
           part:  #frontal_suture__frontalsuture__sutura_frontalis  the suture between two halves of the frontal bone (usually obliterated by the age of 6)
           part:  #lamboid_suture__lamboidsuture__sutura_lamboidea  the suture between the occipital and parietal bones
           part:  #occipitomastoid_suture__occipitomastoidsuture  the suture between the occipital and the temporal bones; a continuation of the lamboid suture
           part:  #parietomastoid_suture  the suture between the parietal and the temporal bones
           part:  #sagittal_suture__interparietal_suture__interparietalsuture__sutura_sagittalis  the suture uniting the two parietal bones
           part:  #fontanelle__fontanel__soft_spot  any membranous gap between the bones of the cranium in an infant or fetus
           part:  #foramen_magnum__foramenmagnum  the large opening at the base of the cranium through which the spinal cord passes
        part:  #jaw  the part of the skull of a vertebrate that frames the mouth and holds the teeth
           part:  #lower_jaw__lowerjaw__mandible__mandibula__submaxilla__lower_jawbone__lowerjawbone__jawbone__jowl  the lower jawbone in vertebrates; it is hinged to open the mouth
              part:  #gnathion  the most inferior point of the mandible in the midline
              part:  #gonion  the craniometric point on either side at the apex of the lower jaw
              part:  #mandibular_notch  small indentation in the middle of the lower jawbone
              part:  #pogonion  the craniometric point that is the most forward-projecting point on the anterior surface of the chin
              part:  #symphysion  the most forward point of the alveolar process of the mandible
              part:  #condylar_process__condyloid_process__condyloidproces__mandibular_condyle  the condyle of the ramus of the mandible that articulates with the skull
              part:  #coronoid_process_of_the_mandible  the coronoid process that provides an attachment for the temporal muscle
                 part:  #coronion  the craniometric point at the tip of the coronoid process of the mandible
           part:  #upper_jaw__upperjaw__upper_jawbone__upperjawbone__maxilla  the upper jawbone in vertebrates ; it is fused to the cranium
              part:  #hard_palate  the bony part of the roof of the mouth
              part:  #intermaxillary_suture__sutura_intermaxillaris  the suture between the two maxillae of the upper jawbone
           part:  #alveolar_arch  the part of the upper or lower jawbones in which the teeth are set
           part:  #alveolar_ridge__gum_ridge__gumridge__alveolar_process  a ridge that forms the borders of the upper and lower jaws and contains the sockets of the teeth
              part:  #tooth_socket__toothsocket__alveolus  a bony socket in the alveolar ridge that holds a tooth
              part:  #alveolar_artery__arteria_alveolaris  a branch of the maxillary artery that supplies the alveolar process
        part:  #vomer  thin trapezoidal bone of the skull forming the posterior and inferior parts of the nasal septum
     part:  #rib_cage__ribcage  the bony enclosing wall of the chest
     part:  #spinal_column__vertebral_column__vertebralcolumn__spine__backbone__back__rachis  the series of vertebrae forming the axis of the skeleton and protecting the spinal cord; "the fall broke his back"
        part:  #spinal_canal__vertebral_canal__vertebralcanal__canalis_vertebralis__canalisvertebrali  the canal in successive vertebrae through which the spinal cord passes
        part:  #coccyx__tail_bone  the end of the vertebral column in humans and tailless apes
        part:  #vertebra  one of the bony segments of the spinal column
           part:  #centrum  the main body of a vertebra
              part:  #hemal_arch__hemalarch__haemal_arch  a structure arising ventrally from a vertebral centrum and enclosing the caudal blood vessels
              part:  #neural_arch__vertebral_arch__vertebralarch  a structure arising dorsally from a vertebral centrum and enclosing the spinal cord
           part:  #apophysis__apophysi  (anatomy) a natural outgrowth or projection on an organ or part such as the process of a vertebra
           part:  #transverse_process  one of two processes that extend from each vertebra and provide the point of articulation for the ribs
        part:  #intervertebral_disc__intervertebral_disk  a fibrocartilaginous disc serving as a cushion between all of the vertebrae of the spinal column (except between the first two)
  part:  #arm_bone__armbone  a bone in the arm
  part:  #leg_bone__legbone  a bone of the leg
  part:  #articulatio__joint__articulation  (anatomy) the point of connection between two bones or elements of a skeleton (especially if the articulation allows motion)
     part:  #hip_socket__hipsocket  the socket part of the ball-and-socket joint between the head of the femur and the innominate bone
     part:  #articular_muscle__articularmuscle  a muscle that inserts directly onto the capsule of a joint

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